#已设置忽略  PEP8.E265

import cv2
filename = '../images/haar.jpg'
face_cascade = cv2.CascadeClassifier('../cascades/haarcascade_frontalface_alt2.xml')
img = cv2.imread(filename)
gray = cv2.cvtColor(img, cv2.COLOR_BGR2GRAY)
faces = face_cascade.detectMultiScale(gray, 1.3, 5)
for (x, y, h, w) in faces:
    img = cv2.rectangle(img, (x, y), (x + w, y + h), (255, 225, 0), 2)
cv2.namedWindow('faces Detected!')
cv2.imshow('faces Detected!', img)
cv2.imwrite('faces.jpg', img)
cv2.waitKey(0)
